Module org.maxicp

Package org.maxicp.cp.engine.constraints

Class Absolute

java.lang.Object

org.maxicp.cp.engine.core.AbstractCPConstraint

org.maxicp.cp.engine.constraints.Absolute

All Implemented Interfaces:

CPConstraint, ConcreteConstraint<ConcreteCPModel>

public class Absolute
extends AbstractCPConstraint

Absolute value constraint

Constructor Summary

Constructors

Constructor	Description
Absolute(CPIntVar x, CPIntVar y)	Creates the absolute value constraint y = |x|.

Method Summary

Modifier and Type	Method	Description
void	post()	Initializes the constraint when it is posted to the solver.
void	propagate()	Propagates the constraint.

Methods inherited from class org.maxicp.cp.engine.core.AbstractCPConstraint

getSolver, isActive, isScheduled, priority, registerDelta, setActive, setScheduled, updateDeltas

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Absolute

public Absolute(CPIntVar x,
 CPIntVar y)

Creates the absolute value constraint y = |x|.

Parameters:

x - the input variable such that its absolut value is equal to y

y - the variable that represents the absolute value of x

Method Details

post

public void post()

Description copied from interface: CPConstraint

Initializes the constraint when it is posted to the solver.

Specified by:

post in interface CPConstraint

Overrides:

post in class AbstractCPConstraint

propagate

public void propagate()

Description copied from interface: CPConstraint

Propagates the constraint.

Specified by:

propagate in interface CPConstraint

Overrides:

propagate in class AbstractCPConstraint